diff options
Diffstat (limited to 'erts/emulator/drivers/common/erl_efile.h')
-rw-r--r-- | erts/emulator/drivers/common/erl_efile.h | 176 |
1 files changed, 0 insertions, 176 deletions
diff --git a/erts/emulator/drivers/common/erl_efile.h b/erts/emulator/drivers/common/erl_efile.h deleted file mode 100644 index b7f063b4f2..0000000000 --- a/erts/emulator/drivers/common/erl_efile.h +++ /dev/null @@ -1,176 +0,0 @@ -/* - * %CopyrightBegin% - * - * Copyright Ericsson AB 1997-2016. All Rights Reserved. - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - * - * %CopyrightEnd% - */ -/* - * Defines the interfaces between the generic efile driver and its - * operating-system dependent helpers. - */ - -#include "sys.h" -#include "erl_driver.h" - -/* - * Open modes for efile_openfile(). - */ -#define EFILE_MODE_READ 1 -#define EFILE_MODE_WRITE 2 /* Implies truncating file when used alone. */ -#define EFILE_MODE_READ_WRITE 3 -#define EFILE_MODE_APPEND 4 -#define EFILE_COMPRESSED 8 -#define EFILE_MODE_EXCL 16 -#define EFILE_NO_TRUNCATE 32 /* Special for reopening on VxWorks */ -#define EFILE_MODE_SYNC 64 - -/* - * Seek modes for efile_seek(). - */ -#define EFILE_SEEK_SET 0 -#define EFILE_SEEK_CUR 1 -#define EFILE_SEEK_END 2 - -/* - * File types returned by efile_fileinfo(). - */ -#define FT_DEVICE 1 -#define FT_DIRECTORY 2 -#define FT_REGULAR 3 -#define FT_SYMLINK 4 -#define FT_OTHER 5 - -/* - * Access attributes returned by efile_fileinfo() (the bits can be ORed - * together). - */ -#define FA_NONE 0 -#define FA_WRITE 1 -#define FA_READ 2 - -/* Some OS'es (i.e. Windows) has filenames in wide charaqcters. That requires special handling */ -/* Note that we do *not* honor alignment in the communication to the OS specific driver, */ -/* which is not a problem on x86, but might be on other platforms. The OS specific efile */ -/* implementation is expected to align if needed */ -#ifdef __WIN32__ -#define FILENAMES_16BIT 1 -#endif - -/* We use sendfilev if it exist on solaris */ -#if !defined(HAVE_SENDFILE) && defined(HAVE_SENDFILEV) -#define HAVE_SENDFILE -#endif - -/* - * An handle to an open directory. To be cast to the correct type - * in the system-dependent directory functions. - */ - -typedef struct _Efile_Dir_Handle* EFILE_DIR_HANDLE; - -/* - * Error information from the last call. - */ -typedef struct _Efile_error { - int posix_errno; /* Posix error number, as in <errno.h>. */ - int os_errno; /* Os-dependent error number (not used). */ -} Efile_error; - -/* - * Describes what is returned by file:file_info/1. - */ - -typedef struct _Efile_info { - Uint32 size_low; /* Size of file, lower 32 bits.. */ - Uint32 size_high; /* Size of file, higher 32 bits. */ - Uint32 type; /* Type of file -- one of FT_*. */ - Uint32 access; /* Access to file -- one of FA_*. */ - Uint32 mode; /* Access permissions -- bit field. */ - Uint32 links; /* Number of links to file. */ - Uint32 major_device; /* Major device or file system. */ - Uint32 minor_device; /* Minor device (for devices). */ - Uint32 inode; /* Inode number. */ - Uint32 uid; /* User id of owner. */ - Uint32 gid; /* Group id of owner. */ - Sint64 accessTime; /* Last time the file was accessed. */ - Sint64 modifyTime; /* Last time the file was modified. */ - Sint64 cTime; /* Creation time (Windows) or last - * inode change (Unix). - */ -} Efile_info; - - -#ifdef HAVE_SENDFILE -/* - * Describes the structure of headers/trailers for sendfile - */ -struct t_sendfile_hdtl { - SysIOVec *headers; - int hdr_cnt; - SysIOVec *trailers; - int trl_cnt; -}; -#endif /* HAVE_SENDFILE */ - -/* - * Functions. - */ -int efile_init(void); -int efile_mkdir(Efile_error* errInfo, char* name); -int efile_rmdir(Efile_error* errInfo, char* name); -int efile_delete_file(Efile_error* errInfo, char* name); -int efile_rename(Efile_error* errInfo, char* src, char* dst); -int efile_chdir(Efile_error* errInfo, char* name); -int efile_getdcwd(Efile_error* errInfo, int drive, - char* buffer, size_t size); -int efile_readdir(Efile_error* errInfo, char* name, - EFILE_DIR_HANDLE* dir_handle, - char* buffer, size_t *size); -int efile_openfile(Efile_error* errInfo, char* name, int flags, - int* pfd, Sint64* pSize); -void efile_closefile(int fd); -int efile_fdatasync(Efile_error* errInfo, int fd); -int efile_fsync(Efile_error* errInfo, int fd); -int efile_fileinfo(Efile_error* errInfo, Efile_info* pInfo, - char *name, int info_for_link); -int efile_write_info(Efile_error* errInfo, Efile_info* pInfo, char *name); -int efile_write(Efile_error* errInfo, int flags, int fd, - char* buf, size_t count); -int efile_writev(Efile_error* errInfo, int flags, int fd, - SysIOVec* iov, int iovcnt); -int efile_read(Efile_error* errInfo, int flags, int fd, - char* buf, size_t count, size_t* pBytesRead); -int efile_seek(Efile_error* errInfo, int fd, - Sint64 offset, int origin, Sint64* new_location); -int efile_truncate_file(Efile_error* errInfo, int *fd, int flags); -int efile_pwrite(Efile_error* errInfo, int fd, - char* buf, size_t count, Sint64 offset); -int efile_pread(Efile_error* errInfo, int fd, - Sint64 offset, char* buf, size_t count, size_t* pBytesRead); -int efile_readlink(Efile_error* errInfo, char *name, - char* buffer, size_t size); -int efile_altname(Efile_error* errInfo, char *name, - char* buffer, size_t size); -int efile_link(Efile_error* errInfo, char* old, char* new); -int efile_symlink(Efile_error* errInfo, char* old, char* new); -int efile_may_openfile(Efile_error* errInfo, char *name); -int efile_fadvise(Efile_error* errInfo, int fd, Sint64 offset, Sint64 length, - int advise); -#ifdef HAVE_SENDFILE -int efile_sendfile(Efile_error* errInfo, int in_fd, int out_fd, - off_t *offset, Uint64 *nbytes, struct t_sendfile_hdtl *hdtl); -#endif /* HAVE_SENDFILE */ -int efile_fallocate(Efile_error* errInfo, int fd, Sint64 offset, Sint64 length); |